支座 BⅠ 120000-2.5=14FRF100015

BI120000-2.5=14FRF100015

47021 T1200-0.6 δs=10

20615 WN150-150RF0F2-56R

47023 -fM 900-1.6/52-125

GB/T29465 M500-1.0 RRF b155FMFMJ B=60/

WN80-150 RF Sch40fCF/@47

BL 65-2500 RJf/94-1700r

PL50(B)-16 RF D=155 b=3 f1=3FRF916 RF=3.52h818均布00- 6

WN40(